Tempo Semiconductor's 92HD87 Single-Chip PC Audio System CODEC is a high fidelity, 4-channel audio codec compatible with the Intel High Definition (HD) Audio Interface. The 92HD87 codec provides high quality, HD Audio capability to notebooks and business desktops. The 92HD87 provides stereo 24-bit, full duplex resolution supporting sample rates up to 192kHz by the DAC and ADC. The 92HD87 supports a wide range of notebook and business desktop 4-channel configurations. An integrated BTL stereo amplifier is ideal for driving an integrated speaker in mobile, ultra-mobile, business or desktop computers.